Add Context Templates to Third-Party servers list in README.md

[yon80il]

Description

Added Context Templates to the third-party servers section of the README.md. This entry provides information about the context-templates repository, an open-source collection of reusable context templates for developers to structure prompts, configurations, and workflows across various development tasks.

Server Details

• Server: context-templates (third-party server)
• Changes to: Documentation - added new entry in "🤝 Third-Party Servers" section

Motivation and Context

The context-templates repository provides a valuable resource for developers working with MCP servers, offering reusable templates that can accelerate development tasks. By listing it in the third-party servers section, we make it discoverable for developers looking for template resources.

How Has This Been Tested?

• ✅ Verified the entry is properly formatted and matches the style of other entries in the section
• ✅ Confirmed alphabetical ordering (placed after "Construe" and before "Contrast Security")
• ✅ Checked for linter errors - none found
• ✅ Verified the GitHub repository link is correct
• ✅ Reviewed the description for accuracy and clarity

Breaking Changes

None. This is a documentation-only change that adds a new entry to the third-party servers list.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Protocol Documentation
• My changes follows MCP security best practices
• I have updated the server's README accordingly
• I have tested this with an LLM client (N/A - documentation only change)
• My code follows the repository's style guidelines
• New and existing tests pass locally (N/A - no code changes)
• I have added appropriate error handling (N/A - documentation only)
• I have documented all environment variables and configuration options (N/A - documentation only)

Additional context

The description emphasizes that context-templates is an open-source project that encourages community contributions, making it clear that developers can add their own reusable context templates. The entry is positioned alphabetically in the third-party servers section to maintain consistency with the existing structure.